@article{MZM_2015_97_5_a9,
     author = {S. Ya. Serovaǐskiǐ},
     title = {Optimal {Control} of {Singular} {Stationary} {Systems} with {Phase} {Constraints} and {State} {Variation}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {761--766},
     publisher = {mathdoc},
     volume = {97},
     number = {5},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_5_a9/}
}